The variations might help the organism to survive if there is a change in its environment
Eg heat resistant bacteria
The variation might help the organism survive predators
Eg. Green beetles blend with green leaves thus disabling crows to spot them
:)
Birth and immigration
death and emigration
there's a lagging strand during DNA replication when the DNA synthesis becomes discontinuous.
Answer: Living Cells
Explanation:
Viruses depend on living cells for their reproduction
